Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001127602-12-018045
Filing Date
2012-05-24
Accepted
2012-05-24 15:33:00
Documents
1
Period of Report
2012-05-23

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 8630
  Complete submission text file 0001127602-12-018045.txt   10070
Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1059
MDU RESOURCES GROUP INC (Issuer) CIK: 0000067716 (see all company filings)

EIN.: 410423660 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)

Mailing Address P. O. BOX 5650 BISMARCK ND 58506-5650
Business Address
Schwartz Doran N (Reporting) CIK: 0001355229 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-03480 | Film No.: 12867146